Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	$ 17,374	$ 21,718
Total Fair Value, Derivative Liabilities	[2]	6,089
Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	15,205	21,035
Total Fair Value, Derivative Liabilities	[2]	6,089	1,061
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,169	683
Fair Value of Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	14,688	17,320
Total Fair Value, Derivative Liabilities	[2]	2,911
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	12,519	16,637
Total Fair Value, Derivative Liabilities	[2]	2,911	6
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,169	683
Fair Value of Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,686	4,398
Total Fair Value, Derivative Liabilities	[2]	3,178
Fair Value of Derivatives Not Designated as Hedging Instruments [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,686	4,398
Total Fair Value, Derivative Liabilities	[2]	3,178	1,055
Fair Value of Derivatives Not Designated as Hedging Instruments [Member] | Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	$ 0	$ 0

[1] Derivative assets are recorded to Prepaid expenses and other current assets in the Consolidated Balance Sheet.

[2] Derivative liabilities are recorded as Other current liabilities in the Consolidated Balance Sheet.